Bleeding after stool is mostly seen in anorectal diseases, digestive system diseases, specifically can be divided into the following causes: a. When there are hemorrhoids, anal fissures, there may be bleeding from the anal area, there will also be blood on the paper after defecation, while there may also be symptoms of painful defecation. Second, constipation patients will also have difficulty defecating, anal bleeding symptoms, especially the more serious constipation will often appear anal bleeding, the same will also cause bleeding on the paper wipe. Third, rectal polyps, colonic ulcers and other diseases, if intestinal bleeding occurs, the same will also cause the symptoms of blood in the stool. It is recommended that patients first pay attention to regulating their diet, avoiding spicy, stimulating food, and if the situation is more serious, it is recommended to seek medical attention.